In 1944 American Car and Foundry (ACF) was visited by the Spanish inventor Goicoechea looking for a manufacturer for his invention, the lightweight articulated streamlined Talgo.
ACF built the Talgo using a lightmetal body like Budd's Pioneer Zephyr including the non-European observation cars at the rear.
[1] After World War II the railroad companies in the United States wanted to modernize their fleets of passenger cars.
The streamliner cars were built by three railcar manufacturers: the Budd Company, Pullman Standard, and ACF.
Nine primary types were produced: From the 1930s through the 1950s, many trains in the United States and Canada were upgraded with streamliner cars.